No, square numbers have an odd number of factors.
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Every one of them has an even number of factors.
No. They have different number of factors
12 is an even number and it is also a composite number because it has more than two factors
For a number to be prime, it must have factors, or numbers that go into it, other than 1 and itself. Since 2 goes into every even number, almost every even number is prime. One exception: the number 2. This is because two's only factors are 2 and 1.
no because 1 only has 0 and its self. :D